Knowledge base for software setup, errors, and daily tool work.

Nginx Redirect Loop: Common Causes and Fixes

You set up a redirect in nginx, but now your browser shows 'redirect loop' or 'too ma...

Fix Nginx Permission Denied on CentOS: A Practical Guide

You're setting up Nginx on CentOS and hitting a 'permission denied' error in the erro...

Fix Chrome Memory Spikes When Watching Videos

You're watching a video in Chrome, and suddenly the system slows down, fans spin up, or tabs ...

Docker Container Exits Immediately on Windows: How to Fix

You start a Docker container on Windows, and it stops within seconds. The container exits immedia...

Fixing NGINX Upstream Connection Refused SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...